Pith Number

pith:HVDTC6KI

pith:2022:HVDTC6KI3ZF7AXDRQWL3BNLWRL

not attested not anchored not stored refs pending

DISCOVER: Deep identification of symbolically concise open-form PDEs via enhanced reinforcement-learning

Dongxiao Zhang, Mengge Du, Yuntian Chen

arxiv:2210.02181 v2 · 2022-10-04 · cs.LG · stat.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HVDTC6KI3ZF7AXDRQWL3BNLWRL}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T05:51:42.160163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d47317948de4bf05c718597b0b5768af50df00c3feab3c2812b02732578136f

Aliases

arxiv: 2210.02181 · arxiv_version: 2210.02181v2 · doi: 10.48550/arxiv.2210.02181 · pith_short_12: HVDTC6KI3ZF7 · pith_short_16: HVDTC6KI3ZF7AXDR · pith_short_8: HVDTC6KI

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/HVDTC6KI3ZF7AXDRQWL3BNLWRL \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3d47317948de4bf05c718597b0b5768af50df00c3feab3c2812b02732578136f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4660a87794cecd907840844ed7e3c092b50ab91a8b63934b3bdcd54a78f8c22",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2022-10-04T15:46:53Z",
    "title_canon_sha256": "311fab8df51dd28536d27eefd0364a0414ad2807ae9350188f6cababb4456774"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.02181",
    "kind": "arxiv",
    "version": 2
  }
}